Not just a disc with a hole, but sophisticated and tested water saving technology from Neoperl ® Variants should be available for massage hand showers/rain showers ≥ 8L/Min, better still 10L/Min can be used! not suitable for pressureless systems (boilers) - they almost don't exist in Germany anymore! Flow without flow regulator approx. 15 - 18 liters / minute (at 3 bar flow pressure) with standard hand shower After 10 - 14 days the quantity regulator has already paid for itself (amortized)! If every household + hotel + public building in Germany only screwed a 10L/volume regulator into every hand shower + taps, that would probably be the world's largest contribution to the topic of the Green Planet. •To heat 1m³ of water from 9°C (cold water temperature) to 42°C, (42-9) x 1.163 kWh =.
